Bulletin of the National Research Centre

Table 4 Mean ± standard deviations for the effect of material on DC%

From: The effect of radiation exposure and storage time on the degree of conversion and flexural strength of different resin composites

		Grandio	Z250XT	Herculite XRV Ultra
No-radiation exposure	24-h	74.0 ± 0.4	74.8 ± 1.1	77.8 ± 0.1
	3-m	75.3 ± 0.4	77.3 ± 1.2	80.0 ± 0.9
	6-m	76.2 ± 1.7	77.7 ± 1.2	82.2 ± 1.1
Radiation exposure	24-h	74.4 ± 0.4	75.1 ± 1.0	78.3 ± 1.7
	3-m	76.2 ± 0.4	78.1 ± 1.1	81.8 ± 0.2
	6-m	77.5 ± 0.4	78.5 ± 0.4	83.0 ± 1.0
Total material		75.6 ± 1.4^A	76.9 ± 1.8^B	80.5 ± 2.3^C

Means with same superscript capital letters for the total material are not statistically significant at P = 0.05

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